Finding the Fourth Proportional to 79,648,742.91, 119,485,711.49 and 28,529,629.95
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Solution
The fourth proportional to 79,648,742.91, 119,485,711.49 and 28,529,629.95 is: 42,798,957.13
Step by Step Solution
- Step 1: Write the proportion equation
79,648,742.91 : 119,485,711.49 = 28,529,629.95 : x - Step 2: Convert to fraction form
79,648,742.91/119,485,711.49 = 28,529,629.95/x - Step 3: Cross multiply
79,648,742.91x = 119,485,711.49 × 28,529,629.95 - Step 4: Simplify right side
79,648,742.91x = 3,408,883,132,979,515 - Step 5: Solve for x
x = 3,408,883,132,979,515/79,648,742.91 - Step 6: Final answer
x = 42,798,957.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.